1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
|
//
// Copyright (c) 1994, 1995 by Mike Romberg ( romberg@fsl.noaa.gov )
//
// NetBSD port:
// Copyright (c) 1995, 1996, 1997 by Brian Grayson (bgrayson@ece.utexas.edu)
//
// This file was originally written by Brian Grayson for the NetBSD and
// xosview projects.
//
// This file may be distributed under terms of the GPL or of the BSD
// license, whichever you choose. The full license notices are
// contained in the files COPYING.GPL and COPYING.BSD, which you
// should have received. If not, contact one of the xosview
// authors for a copy.
//
// $Id: pagemeter.cc,v 1.15 1999/01/31 20:31:08 bgrayson Exp $
//
#include <stdlib.h> // For atoi(). BCG
#include "general.h"
#include "pagemeter.h"
#include "kernel.h" // For NetBSD Page functions.
CVSID("$Id: pagemeter.cc,v 1.15 1999/01/31 20:31:08 bgrayson Exp $");
CVSID_DOT_H(PAGEMETER_H_CVSID);
PageMeter::PageMeter( XOSView *parent, double total )
: FieldMeterGraph( parent, 3, "PAGE", "IN/OUT/IDLE" ){
total_ = total;
BSDPageInit();
#ifdef UVM
BSDGetUVMPageStats(&prev_);
#else
BSDGetPageStats(&prev_);
#endif
}
PageMeter::~PageMeter( void ){ }
void PageMeter::checkResources( void ){
FieldMeterGraph::checkResources();
// The Active and Inactive colors are new.
setfieldcolor( 0, parent_->getResource("pageInColor") );
setfieldcolor( 1, parent_->getResource("pageOutColor") );
setfieldcolor( 2, parent_->getResource("pageIdleColor") );
priority_ = atoi (parent_->getResource("pagePriority"));
dodecay_ = parent_->isResourceTrue("pageDecay");
useGraph_ = parent_->isResourceTrue("pageGraph");
SetUsedFormat (parent_->getResource("pageUsedFormat"));
}
void PageMeter::checkevent( void ){
getpageinfo();
drawfields();
}
void PageMeter::getpageinfo (void) {
// Begin NetBSD-specific code...
#if defined(UVM)
struct uvmexp uvm;
BSDGetUVMPageStats(&uvm);
#else
struct vmmeter vm;
BSDGetPageStats(&vm);
#endif
#ifdef XOSVIEW_FREEBSD
/* It depends, of course on what you want to measure. I think, howver,
that you want the sum of pages paged to swap (i.e. dirty pages) and
pages paged to vnodes (i.e. mmap-ed files). (pavel 21-Jan-1998) */
fields_[0] = vm.v_vnodepgsin - prev_.v_vnodepgsin +
vm.v_swappgsin - prev_.v_swappgsin;
fields_[1] = vm.v_vnodepgsout - prev_.v_vnodepgsout +
vm.v_swappgsout - prev_.v_swappgsout;
prev_ = vm;
#else
# if defined(UVM)
fields_[0] = uvm.pageins - prev_.pageins;
fields_[1] = uvm.pgswapout - prev_.pgswapout;
prev_ = uvm;
# else
fields_[0] = vm.v_pgpgin - prev_.v_pgpgin;
fields_[1] = vm.v_pgpgout - prev_.v_pgpgout;
prev_ = vm;
# endif
#endif
/* NOTE: This results in a meter display of pages, not pages
* per second. Divide by IntervalTimeInSecs() to convert to
* pages/second. */
// End NetBSD-specific code...
if (total_ < fields_[0] + fields_[1])
total_ = fields_[0] + fields_[1];
fields_[2] = total_ - fields_[0] - fields_[1];
setUsed (total_ - fields_[2], total_);
}
|
